Albert Einstein: Did you mean...?

Printed Christmas cards became popular in the Victorian period (1837-1901) thanks to a combination of cheaper printing techniques and even cheaper post, with the arrival of the Penny Black postage stamp. Coming in all shapes, sizes, and materials...

A map indicating the location and extent of the Antonine Wall (140s CE) and Hadrian's Wall (122 CE).

Windsor Castle is located in Berkshire, England, and was built as a motte and bailey castle by William the Conqueror (r. 1066-1087). Converted into stone by Henry II of England (r. 1165-1179), the shell keep tower was rebuilt by Edward III...

Lamia is a female or a hermaphroditic demon found in Greek mythology who devoured children and seduced men. She appears in literature as early as the 6th century BCE and is said to be fearsome to look upon with an ugly face, the upper body...

Margery Kempe (l. c. 1373 - c. 1438 CE) was a medieval mystic and author of the first autobiography in English, The Book of Margery Kempe, which relates her spiritual journey from wife and mother in Bishop's Lynn, England to a chaste Christian...

The Livonian Rhymed Chronicle (Livländische Reimchronik) is an anonymous account of the Livonian Crusade written in Middle High German, covering the years between 1143 and 1290. It is one of the chief written sources concerning the Livonian...

The Siege of the Alamo (23 February to 6 March 1836) was an engagement of Texian forces with the Mexican Army, leading up to the Battle of the Alamo on the morning of 6 March 1836. The 13-day siege and battle has become legendary and is among...

The search for the source of the Nile River was one of the last great geographical mysteries of 19th-century European exploration. Men like Livingstone, Burton, Speke, and Stanley launched multiple expeditions to reach the rumoured Great...

The Eastern Front (1941-5), called the Western Front or Great Patriotic War by the Soviets, was by far the bloodiest of the Second World War (1939-45). In this article, the memories of those who experienced the conflict firsthand are presented...

The Christmas holiday has gathered around it customs and traditions for over two millennia, some of which even pre-date the Christian festival itself. From gift-giving to the sumptuous spread of a Christmas dinner table, this article traces...